Publications by authors named "Darius Jonasch"

Background And Purpose: Adrenal venous sampling (AVS) is used for the diagnosis of primary hyperaldosteronism. Technical difficulties with right adrenal vein (RAV) catheterization can lead to erroneous results. Our purpose was to delineate the location of the RAV on pre-procedural CT imaging in relation to the location identified during AVS and to report on the impact of successful RAV cannulation with and without the use of intra-procedural CT scanning.

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Background: Activation of the PI3K-Akt-mTOR signaling pathway is common in advanced castration resistant prostate cancer (CRPC), typically through PTEN loss. Preclinical studies suggest that Akt-driven CaP cells are genetically susceptible to mammalian target of rapamycin (mTOR, or TORC1) inhibition. Everolimus is a Food and Drug Administration-approved inhibitor of TORC1.

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Cellular electron cryotomography offers researchers the ability to observe macromolecules frozen in action in situ, but a primary challenge with this technique is identifying molecular components within the crowded cellular environment. We introduce a method that uses neural networks to dramatically reduce the time and human effort required for subcellular annotation and feature extraction. Subsequent subtomogram classification and averaging yield in situ structures of molecular components of interest.

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von Hippel-Lindau (VHL) gene mutations are associated with clear cell renal cell carcinoma (ccRCC). A hallmark of ccRCC is loss of the primary cilium. Loss of this key organelle in ccRCC is caused by loss of VHL and associated with increased Aurora kinase A (AURKA) and histone deacetylase 6 (HDAC6) activities, which drive disassembly of the primary cilium.

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